Sierra College

Sierra College

Data Breach on September 21, 2022
Data Breach Report
Victimsierracollege.edu
Threat ActorViceSociety
Date DiscoveredSep 21, 2022
DescriptionSince 1936, Sierra College has focused on quality instruction and meeting the needs of the communities we serve.
Leak SizeN/A

Credential Exposure for sierracollege.edu

We've indexed 2,578 @sierracollege.edu accounts from external breaches, plus 944 credentials for sierracollege.edu itself.

Last checked Aug 16, 2026

@sierracollege.edu addresses from external breaches
Third-party breaches1,801 accounts · across 172 breaches · 1,506 with a plaintext password · most recent Jan 8, 2026
Combo lists1,272 accounts · most recent Aug 15, 2026
Passwords for sierracollege.edu accounts
Combo lists868 logins · most recent Aug 15, 2026
Infostealer logs216 logins · 144 infected devices · most recent Aug 8, 2026

Logins may belong to customers or to staff, and the data doesn't say which. None of this is necessarily connected to the ransomware attack above.

Is your organization next?

Sierra College was breached. Check if your company's credentials have been exposed in this or other data breaches.

Check your exposure →

Continuous dark web monitoring alerts you when we find leaked credentials or session tokens for your company.